Yokogawa Data Acquisition with PID Control CX2000 - Manual (Page 342)

12-11
IM 04L31A01-01E
12
Troubleshooting
12.2 Troubleshooting Flow Chart
When Nothing Operates (Nothing Is Displayed)
Is the power supply
properly connected?
Is the power supplied
properly?
NO
NO
YES
YES
Connect it properly.
Contact your nearest
YOKOGAWA dealer.
See section 2.4.
See section 2.4.
Supply power of the voltage/frequency
according to the specifications.
When Problems Exist on the Display or Other Functions
Are taking measures
against noise?
NO
YES
• Move the input and communication
wires away from the noise source.
• Ground the CX2000.
• Use shielded cables for input and
communication wires.
• Insert a isolation transformer in the
power line.
• Insert a power line filter in the
power line.
• If an inductive load is used in the
alarm output line, insert a serge
suppressor in the line.
Contact your nearest
YOKOGAWA dealer.